# coding:utf-8

l = [6, 5, 4, 4, 5, 6]
print(l)

t = (6, 5, 4, 4, 5, 6)
print(t)

s = {6, 5, 4, 4, 5, 6}
print(s)
print(set(l))
print(set(t))
s.add(7)
print(s)
s.update({8, 9})
s.remove(4)
print(s)
s.clear()
print()
print('++++++++++++')

# 新增
